Home / 18,156.21-27,239.58-6,470.34

Finding the Fourth Proportional to 18,156.21, 27,239.58 and 6,470.34

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Solution

The fourth proportional to 18,156.21, 27,239.58 and 6,470.34 is: 9,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.21 : 27,239.58 = 6,470.34 : x
  2. Step 2: Convert to fraction form
    18,156.21/27,239.58 = 6,470.34/x
  3. Step 3: Cross multiply
    18,156.21x = 27,239.58 × 6,470.34
  4. Step 4: Simplify right side
    18,156.21x = 176,249,344.06
  5. Step 5: Solve for x
    x = 176,249,344.06/18,156.21
  6. Step 6: Final answer
    x = 9,707.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.